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       
(Showing Draft Content)

Chart要素

Reactでチャート要素を使用すると、すべてのチャート要素をネイティブのデータ連結のサポートと同期させながら、アプリケーションのデータを視覚化できます。

  1. Reactアプリを作成する

    コマンドプロンプトウィンドウを開き、次のコマンドを入力します。

    npm install -g create-react-app
    create-react-app quick-start
    cd quick-start
    npm start

    コマンドを実行すると、ディレクトリ内の指定の場所にReactプロジェクトが作成されます。Reactプロジェクトの詳しい作成方法については、https://reactjs.org/docs/add-react-to-a-new-app.htmlを参照してください。



  2. Spread.Sheetsモジュールをインストールする

    Spread.Sheets Reactモジュール、および日本語リソースを、npmからインストールします。

    npm install @grapecity/spread-sheets-react
    npm install @grapecity/spread-sheets-resources-ja



  3. スタイルをインポートする

    index.jsファイルで、スタイルファイルをインポートします。

    import '@grapecity/spread-sheets/styles/gc.spread.sheets.excel2013white.css';



  4. プロジェクトでチャートのReactモジュールをインストールする

    次のコマンドを使用して、プロジェクトにチャートのモジュールをインストールする必要があります。

    npm install @grapecity/spread-sheets-charts



  5. Reactアプリケーションでチャートを使用する

    必要に応じてApp.jsファイルを変更できます。 ブラウザウィンドウが更新されると、変更が反映されます。次のサンプルコードを使用できます。

    次のサンプルコードは、Reactアプリケーションでチャートを使用する方法を示します。

    import React from 'react';
    import './App.css';
    import GC from '@grapecity/spread-sheets';
    import { SpreadSheets, Worksheet } from '@grapecity/spread-sheets-react';// チャートモジュールをインポートします。
    import '@grapecity/spread-sheets-charts';var SpreadJSKey = "xxx";
    GC.Spread.Sheets.LicenseKey = SpreadJSKey;class App extends React.Component{
        constructor(props){
            super(props);
            this.hostStyle =
                {
                    width: '1100px',
                    height: '800px'
                };
     }// ワークブックのinitializedイベントを処理します。
    workbookInit = (spread) =>{
            this.setState({
                spread: spread});
    let chart_columnClustered, chart_columnStacked, chart_columnStacked100;// シートを取得します。
    let sheetCharts = spread.getSheet(0);// シート名を設定します。
    sheetCharts.name("Charts");
    sheetCharts.suspendPaint();//チャートに表示するデータを準備します。
    sheetCharts.setValue(0, 1, "Q1");
    sheetCharts.setValue(0, 2, "Q2");
    sheetCharts.setValue(0, 3, "Q3");
    sheetCharts.setValue(1, 0, "Mobile Phones");
    sheetCharts.setValue(2, 0, "Laptops");
    sheetCharts.setValue(3, 0, "Tablets");
    for (var r = 1; r <= 3; r++){
         for (var c = 1; c <= 3; c++) {
         sheetCharts.setValue(r, c, parseInt(Math.random() * 100));
    }
    } // columnClusteredチャートを追加します。
    chart_columnClustered = sheetCharts.charts.add('chart_columnClustered', GC.Spread.Sheets.Charts.ChartType.columnClustered, 5, 150, 300, 300, "A1:D4");
    chart_columnClustered.title({ text: "Annual Sales" });// columnStackedチャートを追加します。
    chart_columnStacked = sheetCharts.charts.add('chart_columnStacked', GC.Spread.Sheets.Charts.ChartType.columnStacked, 320, 150, 300, 300, "A1:D4");
    chart_columnStacked.title({ text: "Annual Sales" });// columnStacked100チャートを追加します。
    chart_columnStacked100 = sheetCharts.charts.add('chart_columnStacked100', GC.Spread.Sheets.Charts.ChartType.columnStacked100, 640, 150, 300, 300, "A1:D4");
    chart_columnStacked100.title({ text: "Annual Sales" });sheetCharts.resumePaint();
    }render() {
    return (
    <div>
    <SpreadSheets backColor={this.spreadBackColor} hostStyle={this.hostStyle} workbookInitialized={this.workbookInit}>
    <Worksheet>
    </Worksheet>
    </SpreadSheets>
    </div>
    )
    }
    }export default App;